It is incredibly easy to upgrade to Rails 3.1, but if you want to take advantage of the asset pipeline you will need to put in some extra effort. Have no fear because I walk you through each of the necessary steps in this episode.
(8 minutes)

In Rails 3.1 the controller inheritance also applies to the view layer. Here I show how to add an application template which is shared by all views, and a lookup path for overriding templates based on the subdomain.
(8 minutes)